$$\def\|{&}\DeclareMathOperator{\D}{\bigtriangleup\!} \DeclareMathOperator{\d}{\text{d}\!}$$

Here begins a collection of questions about the Sun, Moon, planets, stars, and other astronomical things, and the answers to those questions. The questions have been divided over a number of categories. You can look at a list of the last twenty questions, or a list of all questions, or a list of all question categories.

## 1. The Last Twenty Questions

Below you'll find a list of the last twenty questions for which an answer has been included in this book. You can follow each question to its answer.

## 2. Question Categories

Below are two lists of question categories that are currently available. The first list refers to pages that contain questions and answers.

The second list contains pages that list questions that refer to answers on pages from the first list, because some questions deal with more than one topic and therefore fit in more than one question category.

Can't you find the answer to your question? Then look at the Questions Page.

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//aa.quae.nl/en/antwoorden/index.html;
Last updated: 2022-09-14